Prosecution Insights
Last updated: May 29, 2026

Examiner: TRAN, BINH Q

Tech Center 3700 • Art Units: 3746 3748

This examiner grants 88% of resolved cases

Performance Statistics

88.0%
Allow Rate
+18.0% vs TC avg
1,397
Total Applications
+6.7%
Interview Lift
869
Avg Prosecution Days
Based on 1374 resolved cases, 2023–2026

Rejection Statute Breakdown

15.6%
§101 Eligibility
41.3%
§102 Novelty
37.1%
§103 Obviousness
2.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19174104 EXHAUST TREATMENT METHOD AND APPARATUS HAVING PARTICULATE FILTERS AND SCR Non-Final OA CORNING INCORPORATED
19112119 ENGINE POWER GENERATION SYSTEM CONTROL DEVICE Non-Final OA Hitachi, Ltd.
19256994 EXHAUST MIXER ASSEMBLY Non-Final OA CUMMINS EMISSION SOLUTIONS INC.
18974887 AFTERTREATMENT SYSTEM HEATER CONTROLS Non-Final OA Cummins Inc.
18847278 Diaphragm Pump Non-Final OA TACMINA CORPORATION
19085804 DINITROGEN OXIDE PURIFICATION SYSTEM, INTERNAL COMBUSTION ENGINE SYSTEM, AND DINITROGEN OXIDE PURIFICATION METHOD Non-Final OA Yanmar Holdings Co., Ltd.
19113121 Turbine Control for Improved Dosing Non-Final OA Cummins Ltd.
18894925 SURFACE ENHANCEMENT OF A BONDING SURFACE IN A PIEZO ELECTRIC PUMP/VALVE Non-Final OA Boston Scientific Scimed, Inc.
18693455 EXHAUST PIPE Non-Final OA ISUZU MOTORS LIMITED
18851276 IN-VEHICLE TEMPERATURE ESTIMATION DEVICE Non-Final OA Sumitomo Electric Industries, Ltd.
18706861 ZEOLITE CATALYSTS WITH PAIRED HETEROATOMS AND METHODS THEREOF Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALI­FORNIA

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